What airlines fly to Ontario?

Alaska Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Ontario from Medford according to our data. Alaska Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Medford to Ontario?

Delta and Alaska Airlines are the most popular carriers operating from Medford to Ontario

When did momondo last update prices for flights from Medford Airport to Ontario Airport?

Prices for flights from Medford Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Medford Airport to Ontario Airport?

The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of January 2026.

How old do you have to be to fly from Medford Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$99 Cheap Flights from Medford to Ontario in 2026

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Find the cheapest flights from Medford to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 am - 12:07 pm

MFR

ONT

6h 12m

1 stop

5:53 pm - 11:04 pm

ONT

MFR

5h 11m

1 stop

$197Delta

mar., mar. 3 - mar., mar. 10

6:55 am - 1:54 pm

MFR

ONT

6h 59m

1 stop

1:10 pm - 11:12 pm

ONT

MFR

10h 02m

2 stops

$202Delta

mar., feb. 17 - mar., feb. 24

3:59 pm - 8:23 pm

MFR

ONT

4h 24m

1 stop

7:00 am - 11:54 am

ONT

MFR

4h 54m

1 stop

$228Alaska Airlines

sáb., mar. 28 - sáb., abr. 4

5:44 pm - 11:32 pm

MFR

ONT

5h 48m

1 stop

12:02 pm - 6:05 pm

ONT

MFR

6h 03m

1 stop

$230Alaska Airlines

jue., feb. 19 - mié., feb. 25

11:30 am - 11:49 pm

MFR

ONT

12h 19m

2 stops

1:10 pm - 11:12 pm

ONT

MFR

10h 02m

2 stops

$239Delta

mar., feb. 17 - mar., feb. 24

3:59 pm - 8:23 pm

MFR

ONT

4h 24m

1 stop

7:00 am - 11:54 am

ONT

MFR

4h 54m

1 stop

$241Alaska Airlines

dom., mar. 29 - sáb., abr. 4

6:05 am - 12:49 pm

MFR

ONT

6h 44m

1 stop

5:05 pm - 10:41 pm

ONT

MFR

5h 36m

1 stop

$247Delta

sáb., may. 9 - dom., may. 24

6:25 pm - 10:57 pm

MFR

ONT

4h 32m

1 stop

6:09 am - 10:56 am

ONT

MFR

4h 47m

1 stop

$251United Airlines

jue., feb. 12 - mié., feb. 18

6:05 am - 4:14 pm

MFR

ONT

10h 09m

2 stops

5:05 pm - 10:41 pm

ONT

MFR

5h 36m

1 stop

$252Delta

sáb., may. 9 - dom., may. 24

5:30 pm - 10:48 pm

MFR

ONT

29h 18m

2 stops

5:53 pm - 11:05 pm

ONT

MFR

5h 12m

1 stop

$257Delta

vie., mar. 27 - mié., abr. 1

Alaska Airlines flights from Medford to Ontario

Our best Alaska Airlines deals on Medford to Ontario flight tickets

Alaska Airlines

Mar 28

MFR3:59 pmMedford

4h 24m

1 stop

ONT8:23 pmOntario

Apr 4

ONT7:00 amOntario

4h 54m

1 stop

MFR11:54 amMedford

$228

Alaska Airlines

Mar 29

MFR3:59 pmMedford

4h 24m

1 stop

ONT8:23 pmOntario

Apr 4

ONT7:00 amOntario

4h 54m

1 stop

MFR11:54 amMedford

$241

Alaska Airlines

Mar 24

MFR3:59 pmMedford

4h 24m

1 stop

ONT8:23 pmOntario

Apr 1

ONT7:00 amOntario

4h 54m

1 stop

MFR11:54 amMedford

$259

Delta flights from Medford to Ontario

Our best Delta deals on Medford to Ontario flight tickets

Delta

Mar 3

MFR6:55 amMedford

6h 59m

1 stop

ONT1:54 pmOntario

Mar 11

ONT5:53 pmOntario

5h 11m

1 stop

MFR11:04 pmMedford

$197

Delta

Feb 17

MFR6:55 amMedford

6h 59m

1 stop

ONT1:54 pmOntario

Feb 24

ONT1:10 pmOntario

10h 02m

2 stops

MFR11:12 pmMedford

$202

Delta

Feb 17

MFR11:30 amMedford

12h 19m

2 stops

ONT11:49 pmOntario

Feb 24

ONT1:10 pmOntario

10h 02m

2 stops

MFR11:12 pmMedford

$239

Fly from

Fly to

Route

Depart

Return

Price

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 3/3

5:55 am-12:07 pm

1 stop6h 12m

Ontario

mar. 3/10

5:53 pm-11:04 pm

1 stop5h 11m

$197

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 2/17

6:55 am-1:54 pm

1 stop6h 59m

Ontario

mar. 2/24

1:10 pm-11:12 pm

2 stops10h 02m

$202

MedfordOntario

MFR - ONT

MFRONT

Medford

sáb. 3/28

3:59 pm-8:23 pm

1 stop4h 24m

Ontario

sáb. 4/4

7:00 am-11:54 am

1 stop4h 54m

$228

MedfordOntario

MFR - ONT

MFRONT

Medford

jue. 2/19

5:44 pm-11:32 pm

1 stop5h 48m

Ontario

mié. 2/25

12:02 pm-6:05 pm

1 stop6h 03m

$230

MedfordOntario

MFR - ONT

MFRONT

Medford

mar. 2/17

11:30 am-11:49 pm

2 stops12h 19m

Ontario

mar. 2/24

1:10 pm-11:12 pm

2 stops10h 02m

$239

MedfordOntario

MFR - ONT

MFRONT

Medford

dom. 3/29

3:59 pm-8:23 pm

1 stop4h 24m

Ontario

sáb. 4/4

7:00 am-11:54 am

1 stop4h 54m

$241

MedfordOntario

MFR - ONT

MFRONT

Medford

sáb. 5/9

6:05 am-12:49 pm

1 stop6h 44m

Ontario

dom. 5/24

5:05 pm-10:41 pm

1 stop5h 36m

$247

MedfordOntario

MFR - ONT

MFRONT

Medford

jue. 2/12

6:25 pm-10:57 pm

1 stop4h 32m

Ontario

mié. 2/18

6:09 am-10:56 am

1 stop4h 47m

$251

MedfordOntario

MFR - ONT

MFRONT

Medford

sáb. 5/9

6:05 am-4:14 pm

2 stops10h 09m

Ontario

dom. 5/24

5:05 pm-10:41 pm

1 stop5h 36m

$252

MedfordOntario

MFR - ONT

MFRONT

Medford

vie. 3/27

5:30 pm-10:48 pm

2 stops29h 18m

Ontario

mié. 4/1

5:53 pm-11:05 pm

1 stop5h 12m

$257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Medford to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from Medford to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you aren’t able to travel during the month of November, then book flights to Ontario from Medford during June instead. Flights to Ontario in June, while not as cheap as those in November, still average around $310.

How have Medford to Ontario flight prices changed over time?

When to book flights from Medford to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Medford to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Medford to Ontario (MFR to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Medford to Ontario

Fastest flight time	3h 43m
Direct flights	None

The fastest flight from Medford to Ontario takes 3h 43m

There are no direct flights from Medford to Ontario. There are no popular flight routes from Medford to Ontario.

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How far is Medford to Ontario by plane?
The distance between Medford and Ontario is about 636.8 mi. Typically, this will take 3h 43m by plane in normal conditions.
When did momondo last update prices for flights from Medford Airport to Ontario Airport?
Prices for flights from Medford Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Medford Airport to Ontario Airport?
The number of operators available for flights from Medford Airport to Ontario Airport is 3 as of January 2026.
How old do you have to be to fly from Medford Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Medford Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Medford to Ontario?
momondo data reveals that the most frequently booked airline on the route from Medford to Ontario is United Airlines, representing 49% of all bookings. The subsequent popular airlines are Alaska Airlines at 35% and Delta at 16%.

Best airlines flying from Medford to Ontario

Compare and see reviews for airlines that fly from Medford to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $167	Free Cancellation	Rating 7.9 8,049 reviews	Search Delta flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 8.0 11,719 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $238	Free Cancellation	Rating 7.4 9,164 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Medford to Ontario?

It is quick and easy to find Medford to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Medford to Ontario with flexible booking policies on momondo?

All flight searches from Medford to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Medford to Ontario?

momondo helps you find the best flight between Medford and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Medford to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Medford and alert you when they change.